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MEISSNER   &   MANTISSA
» ELECTRIC «   ( 25 cm Scales )


...   MEISSNER   &   MANTISSA   ...


VEB MANTISSA, Dresden / (GDR) Germany                     (1972)
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S C A L E S   of  the   MANTISSA     » ELECTRIC «     Nr.1731591
================================================================

Front Side:  MOUSE-OVER THE CURSOR TO GET THE MAGNIFIED SCALE
             ================================================
             W1, W2     Waermestromausloesebereich      A
             NSi        Nennsicherungen                 A
             An Gruppe  II Nennquerschnitte             mm2
                        I
             kW-J       Leistung, Stromstaerke          kW-A 
             E          Einstellbereiche
             ΔU%        Spannungsverluste in %
                        fuer Cu , Al                    V%
             P          Leistung                        kW
             l          Leitungslaenge                  m
             A1         Querschnitt                     mm2
             cosφ       Spezial-Cosinusteilung

             (1)        Drehstrom 220 V in Dreieck
             (2)        Drehstrom 380/220 V Stern
             (3)        Gleich-, Wechselstrom 220 V

Back Side:   [ inverse / RED ]
=============================================================
             LL1       exp(0.01X)
             LL2       exp(0.1X)
             LL3       exp(X)
             A         X2
             ------------------------------------------------
             B         X2
             L         lgX
             [CI]      [1/X]
             C         X
             ------------------------------------------------
             D         X
             [P]       [sqrt(1 - (0.1X)2)]
             S         sin(0.1X)
             T         tan(0.1X)

     

R E M A R K S : 
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The  MANTISSA SR  came in a  brown plastic case  with a booklet.
The name » MEISSNER « is on the plastic case. The same model was
previously under the logo  » MEISSNER «  on the market (s.above)

                 Historical Remarks ...
impressum:
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© C.HAMANN  http://public.beuth-hochschule.de/~hamann   04/07/17